Blog Archives

Free Video Courses on R, Structural Equation Modelling, Causal Inference, and Regression from Uni Jena

April 22, 2010
By
Free Video Courses on R, Structural Equation Modelling, Causal Inference, and Regression from Uni Jena

The Department of methodology and Evaluation Research at Universität Jena has made available a set of free online video courses on data analysis.They cover topics that are particularly relevant to psychology and social science researchers, including ...

Read more »

Updated Site Map for Jeromy Anglim’s Blog Psychology and Statistics

March 23, 2010
By

Every Six months or so I like to update the Site Mapfor my blog jeromyanglim.blogspot.com. Thus, if you're new to the blog, The Site Map provides an overview of previous blog content organised by topic. RSS Feed: http://feeds.feedburner.com/jeromyang...

Read more »

Updated Site Map for Jeromy Anglim’s Blog Psychology and Statistics

March 23, 2010
By

Every Six months or so I like to update the Site Mapfor my blog jeromyanglim.blogspot.com. Thus, if you're new to the blog, The Site Map provides an overview of previous blog content organised by topic. RSS Feed: http://feeds.feedburner.com/jeromyang...

Read more »

Using Regular Expressions in R: Case Study in Cleaning a BibTeX Database

March 9, 2010
By
Using Regular Expressions in R: Case Study in Cleaning a BibTeX Database

I recently had to clean up a BibTeX database containing around 1,000 references. One of the clean up tasks was to ensure that page numbers were separated with en-dashes as opposed to hyphens. This post sets out how I used regular expressions in R to co...

Read more »

Getting Started with Sweave: R, LaTeX, Eclipse, StatET, & TeXlipse

February 23, 2010
By
Getting Started with Sweave: R, LaTeX, Eclipse, StatET, & TeXlipse

Being able to press a single button that runs all your statistical analyses and integrates the output into your final report is a beautiful thing. If you have not already heard, this is what Sweave can do for you. However, getting your computer to run ...

Read more »

Getting Started with Sweave: R, LaTeX, Eclipse, StatET, & TeXlipse

February 23, 2010
By
Getting Started with Sweave: R, LaTeX, Eclipse, StatET, & TeXlipse

Being able to press a single button that runs all your statistical analyses and integrates the output into your final report is a beautiful thing. If you have not already heard, this is what Sweave can do for you. However, getting your computer to run ...

Read more »

Analysis of Winter Olympic Medal Data Using R

February 18, 2010
By
Analysis of Winter Olympic Medal Data Using R

The Winter Olympics are on. The Guardian's DataBlog has graciously compiled a database on Winter Olympic Medals. Thus, I thought I'd run a few quick analyses on the data in R. In this post I was hoping to show how one could quickly churn out ...

Read more »

A Case Study in Optimising Code in R

February 16, 2010
By
A Case Study in Optimising Code in R

This post presents an experience I had optimising the efficiency of code for a data analysis task in R. I'm not an expert in programming nor code optimisation. However, I thought my experience might make an interesting case study for others at a simila...

Read more »

Matrix Algebra in R: Resources, Videos, Textbooks

December 17, 2009
By
Matrix Algebra in R: Resources, Videos, Textbooks

I noticed how John Myles White has posted a useful overview of Matrix Algebra in R. This post lists a couple of other resources that are available on the Internet on the topic, including R resources, online video courses, and online textbooks.Matrix Al...

Read more »

Memory Management in R: A Few Tips and Tricks

November 23, 2009
By
Memory Management in R: A Few Tips and Tricks

This post discusses a few strategies that I have used to to manage memory in  R.Stack Overflow TipsStack Overflow has a thread on Memory Management Tricks. I tend to follow these suggestions:.ls.objects(): There's a nice function (.ls.objects...

Read more »